If you build roads, bridges, or other heavy-civil infrastructure, you will end up on Bid Express — the electronic bidding service from Infotech (at bidx.com). It is the backbone many state Departments of Transportation (DOTs) use to advertise and take construction lettings, and a number of other public owners use it too. Bidding here works differently from a typical municipal portal: there are real costs, a digital signing credential, and often a prequalification step before you can submit anything. This guide explains what to expect.

Two things to know up front. First, unlike most free vendor portals, submitting bids on Bid Express usually requires a paid subscription plus a Digital ID used to sign your bid electronically. Second, many DOTs require contractor prequalification before you may bid on their work. Exact fees, thresholds, and rules vary by agency, so treat the specifics below as the general shape of the process and confirm each detail with the letting agency.

What Bid Express is (and who uses it)

Bid Express is a hosted service where an agency advertises upcoming lettings, posts the plans and proposal (bid) documents, distributes addenda, and receives sealed electronic bids. Its heaviest users are state DOTs running competitive construction lettings, but counties, cities, and other owners also use it for construction and other public bids. Each agency has its own presence within Bid Express; you find a specific letting through the agency’s Bid Express pages or from a listing that links to it.

On our bids directory Bid Express advertised lettings link straight to the source so you can open the letting and follow through to the agency’s process.

Step 1 — Prequalify with the agency (often required first)

Before you spend money on subscriptions, check whether the agency requires contractor prequalification. Many DOTs will not accept a bid — or will not award — unless you are prequalified, which typically means submitting financial statements, equipment and experience information, and sometimes a bonding capacity review to the agency ahead of the letting. Prequalification is usually good for a period (often a year) and may cap the dollar value or work classes you can bid. Rules and deadlines vary by state, so start this early; it can take weeks.

Step 2 — Set up your Bid Express account, subscription, and Digital ID

Create a Bid Express account, then arrange the pieces you need to actually submit:

  • A paid subscription.Bidding through Bid Express generally requires a subscription (and some agencies charge additional per-bid or fee-based components). Pricing varies, so check current rates on Bid Express and any agency-specific fees — do not assume the amounts.
  • A Digital ID.Electronic bids are signed with a Digital ID tied to the person authorized to bind your company. It can take time to request, verify, and activate, so set it up well before a letting — not the day of.

Confirm who in your company is authorized to hold the Digital ID and sign bids, and make sure that person is available on letting day.

Step 3 — Find the letting and download the proposal

Locate the specific letting and download the full package: the advertisement, the proposal (the bid item schedule), plans, special provisions, and any addenda. Read the notice-to-contractors and bidding requirements carefully — they state the bid due date and time, the required bid guaranty, prequalification requirements, and how the bid must be submitted. Because these are unforgiving documents, work through them methodically; our guide on how to read an RFP applies directly to dissecting a proposal and its special provisions without missing a requirement.

Watch for addenda. Lettings are frequently amended right up to the deadline, and bidding on an out-of-date proposal is a classic way to be rejected. Bid Express notifies plan-holders, so make sure you are subscribed to the letting and acknowledge every addendum.

Step 4 — Prepare your bid in the bidding software

DOT bids are almost never typed straight into a web form. You prepare them in bidding software — commonly AASHTOWare Bid(the Expedite/Bid modules) or the agency’s designated tool — which reads the electronic proposal, lets you enter unit prices for each bid item, and produces a bid file that Bid Express can accept. The software checks for missing items and math errors, which is exactly what keeps a low bid from being thrown out as irregular.

Most construction lettings also require a bid guaranty— a bid bond or other security (often a percentage of the bid) demonstrating you can execute the contract and provide performance and payment bonds if awarded. Arrange bonding with your surety in advance; the required form and amount are in the proposal.

Step 5 — Submit and sign before the deadline

Upload your completed bid file to Bid Express and sign it with your Digital ID before the letting deadline. The service timestamps and seals the bid; bids stay sealed until the public opening, after which the agency reads and tabulates them. As with any electronic letting, the clock is absolute— Bid Express locks at the posted time in the agency’s stated time zone, with no late submissions. Submit early: uploading and signing under deadline pressure, over a slow connection, is how good bids get lost.

Costs and fees

Unlike most municipal vendor portals, Bid Express is not free to bid on: expect a subscription, a Digital ID, and possibly agency or per-letting fees, plus the cost of the bidding software and your bid guaranty. The exact amounts vary by service tier and by agency, so verify current pricing on Bid Express and confirm any charges with the letting agency before you commit — do not rely on figures you find in an old guide.

The bottom line

Bid Express rewards preparation done weeksahead: prequalify with the agency, get your subscription and Digital ID active, line up bonding, and learn the bidding software before your first real letting. On letting day it comes down to bidding a current proposal, entering clean unit prices, attaching the required guaranty, and signing and submitting with time to spare. Because the specifics differ by DOT, always read that agency’s notice to contractors. For the wider view of finding public construction work, see how to find local government contracts and the universal government-portal playbook — then browse open bids near you and follow each listing to its source.